Kheta River-1 (Jurassic of Russian Federation)

Where: Russian Federation (75.0° N, 105.0° E: paleocoordinates 76.3° N, 79.4° E)

When: Tithonian (152.1 - 145.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; green siltstone

• lithology described as leptochloritic greenish brown clayey silts with large (2.5-3m) loaf-shaped adn spherical concretions of dark grey calcareous leptochloritic siltstones

Size class: macrofossils

Primary reference: V. N. Saks, ed. 1975. The Jurassic-Cretaceous Boundary and the Berriasian Stage in the Boreal Realm. 1-319 [M. Patzkowsky/K. Layou/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2447: authorized by Mark Patzkowsky, entered by Karen Layou on 05.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Perisphinctidae
 Ammonitida - Polyptychitidae